it is incredible considering iran has threatened to destroy israel and israel has threatened to attack iran because of its nuclear program >> storm clouds of potential war out there between your country and iran. here you are with an iranian scientist. >> iranian scientists are not going to destroy me. iranians and palestinians and pakistan me scientist -- pakistanian scientists are my friends. we do not care about the allegiance or color of your skin. the we only care about science. >> this project is highly sensitive, and many scientists are worried how it will be perceived back home. the iranian agreed to talk to me, provided he is alone. i asked if he was surprised at the progress so far. >> we have come a long way and we have good scientists and good people. it has inspired hope. we have put a lot of effort into making this machine. the scientists, they like this. >> the plan is to get the system working in three years' time. a lot could still prevent that. technical trouble or political trouble, but it is bringing hope to the region. >> it is one more small line of communication